Prezi is a cloud-based presentation software that opens up a new world between whiteboards and slides. The zoomable canvas makes it fun to explore ideas and the connections between them. The result: visually captivating presentations that lead your audience down a path of discovery.

Reader Melissa Mead has a bad case of the overloaded iPhone. She writes: My iPhone is running out of storage space and I think it's because I have a lot of photos on it. I'd like to remove them all in one go, after backing them up.